Magnetostrictive electrical switching device

Details Magnetostrictive electrical switching device Magnetostrictive electrical switching device

H - Electricity

01

H

H01H 55/00 (2006.01) H01H 71/12 (2006.01)

Patent

CA 2624387

The invention proposes an electrical switching device having at least one contact point having at least one drive, which opens the contact point directly and/or via a switching mechanism with a latching point and which drive has an element having a predetermined shape, which element consists of a shape memory alloy, which changes its shape under the influence of an electromagnetic field and, in the process, opens or closes a contact point or double contact point or unlatches a switching mechanism.

L'invention concerne un appareil de commutation électrique qui présente au moins un emplacement de contact et au moins un entraînement qui ouvre l'emplacement de contact directement et/ou par l'intermédiaire d'un fermoir de commutation doté d'un emplacement d'encliquetage, l'entraînement présentant un élément de forme prédéterminée constitué d'un alliage à mémoire de forme dont la forme se modifie sous l'influence d'un champ électromagnétique pour ainsi ouvrir ou fermer un emplacement de contact ou un emplacement de contact double, ou désencliqueter un fermoir de commutation.

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